Search Results for the EPA National Library Catalog

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Showing: Items 251 - 300
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Select Item Title Year Published
Characterization and treatment of urban land runoff / 1974
Characterization of clean and fouled perforated membrane diffusers 1994
Characterization of emissions from motor vehicles designed for low NOx emissions / 1980
Characterization of hypoxia : topic 1, report for the integrated assessment on hypoxia in the Gulf of Mexico / 1999
Characterization of non-point sources and loadings to Galveston Bay 1992
Characterization of operating and maintenance practices for wastewater treatment systems in the iron and steel industry {microfiche} 1984
Characterization of Spatial and Temporal Trends in Water Quality in Puget Sound. 1988
Characterization of stream reaeration capacity / 1972
Characterization of Stream Reaeration Capacity. 1972
Characterization of the Activated Sludge Process. 1973
Characterizing the Chesapeake Bay Ecosystem and Lessons Learned. 1987
Chemical analyses for water pollutants : training manual / 1976
Chemical Analyses for Water Quality. Training Manual. 1973
Chemical Analysis of Surficial Sediments from 63 Illinois Lakes, Summer 1979. 1981
Chemical and biological treatment of thermally conditioned sludge recycle liquors / 1980
Chemical and Sediment Movement from Agricultural Land into Lake Erie. 1972
Chemical Oxygen Consumed and Its Relationship to B.O.D. 1950
Chemical reactor theory applied to modeling the dynamics of a control system for water quality of a river / 1971
Chemical Suitability of Substrates for Walleye Egg Development in the Lower Fox River, Wisconsin. 1990
Chemical/biological implications of using chlorine and ozone for disinfection / 1977
Chemical/physical and biological treatment of wool processing wastes / 1974
Chemiluminescent reactive hydrocarbon analyzer for mobile sources / 1975
Chemistry Laboratory Manual Bottom Sediments. 1969
Chemistry laboratory manual for bottom sediments and elutriate testing. 1979
Chemistry, Physics, and Optical Properties of Plumes and Background Air in the Southwest United States. 1983
Chena River, The Study of a Subarctic Stream. 1970
Chesakeake Bay: A Profile of Environmental Change. 1983
Chesapeake Bay baseline data acquisition : hydrologic modifications : [Appendix VIII / 1978
Chesapeake Bay Baseline Data Acquisition. Appendix IV. Eutrophication. 1978
Chesapeake Bay citizen monitoring program report Conestoga River : (October 1986 - June 1990). 1992
Chesapeake Bay Citizen Monitoring Program Report. Appendix 2. Data Listing by Site. July 1985-October 1988. 1989
Chesapeake Bay dissolved oxygen goal for restoration of living resource habitats : a synthesis of living resource habitat requirements with guidelines for their use in evaluating model results and monitoring information / 1992
Chesapeake Bay dissolved oxygen goal for restoration of living resource habitats : a synthesis of living resource habitat requirements with guidelines for their use in evaluating model results and monitoring information / 1993
Chesapeake Bay program technical studies : a synthesis / 1982
Chlorobenzene Bioreactor Demonstration. 1997
Chlorophyll Concentration and Oxygen Production in a Sewage Oxidation Pond. Part III. Improvement of Oxidation Pond Effluents by Organisms. 1964
Choices for the Chesapeake: An Action Agenda. 1983 Chesapeake Bay Conference Report. 1984
Circulation and Benthic Characterization Studies Escambia Bay, Florida. 1971
Clark Fork River Study, Montana : July-August, 1973 / 1974
Classification of Regional Patterns of Environmental Drivers and Benthic Habitats in Pacific Northwest Estauries. 2009
Clean Charles 2005 Water Quality Report: 2003 Core Monitoring Program. 2004
Clean Charles 2005 Water Quality Report: 2004 Core Monitoring Program. 2005
Clean Lakes Program Phase 2 Project. Report for Lake Le-Aqua-Na Stephenson County, Illinois. 1990
Closed Systems for Animal Sewage Treatment. 1971
Coastal hypoxia : consequences for living resources and ecosystems / 2001
Collaborative study of method for stack gas analysis and determination of moisture fraction with use of Method 5 / 1974
Colloidal-facilitated transport of inorganic contaminants in ground water. Part I, Sampling considerations / 1990
Color Removal from Kraft Pulp Mill Effluents by Massive Lime Treatment. 1973
Color removal from kraft pulping effluent by lime addition / 1971
Columbia River nutrient study, 1972 / 1975
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